#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>
#include<string.h>
#define N 10
int main()
{
    struct plural
    {
        int real;
        int imag;
    };
    int _real, _imag;
    struct plural num1 = { 3,4 };
    struct plural num2 = { 5,6 };
    printf("%d + %d i \n", num1.real, num1.imag);
    printf("%d + %d i \n", num2.real, num2.imag);
    _real = num1.real * num2.real - num1.imag * num2.imag;
    _imag = num1.imag * num2.real + num1.real * num2.imag;
    printf("%d + %d i \n", _real, _imag);


    return 0;
}